<template >
  <div class="preview_container">
    <el-card>
      <div class="paper_header">
        <div class="paper_title">{{ paperName }}</div>
        <div class="operation">
          <div class="shoucan">
            <div v-if="collectFlag" @click="cancelCollect()">
              <img src="@/assets/images/icon_shoucang_s.png" alt="" />
              <span class="sc_text">已收藏</span>
            </div>
            <div v-else @click="Collect()">
              <img src="@/assets/images/icon_shoucang_n.png" alt="" />
              <span class="sc_text">收藏</span>
            </div>
            <span class="btn" @click="paperDownLoad(paperId)">下载试卷</span>
          </div>
        </div>
      </div>
      <!-- 题目 -->
      <div class="paper_questions" id="question_list">
        <div class="que_item" v-for="(item, index) in opticList" :key="item.id">
          <div class="que_content" style="display: flex">
            <div>{{ index + 1 }}.</div>
            <span v-html="item.title"></span>
          </div>
          <div class="option-list">
            <span v-html="'A&nbsp'+item.optionA" v-if="item.optionA != ''"></span>
            <span v-html="'B&nbsp'+item.optionB" v-if="item.optionB != ''"></span>
            <span v-html="'C&nbsp'+item.optionC" v-if="item.optionC != ''"></span>
            <span v-html="'D&nbsp'+item.optionD" v-if="item.optionD != ''"></span>
          </div>
          <div class="subQueBox" v-if="item.issub == 1 && item.subquestions != null">
            <div class="subQueItem" v-for="(item,index) in item.subquestions" :key="index" v-html="item.title">

            </div>
          </div>
          <div class="que_footer">
            <div class="spans">
              <span class="id">ID: {{ item.id }}</span>
              <span>题型： {{ item.qtpye }}</span>
              <span>难度： 一般</span>
            </div>
            <div class="operation">
              <div class="shoucan">
                <div v-show="item.collect" @click="toCancelCollectQue(item)" style="display: flex;align-items: center;">
                  <img src="@/assets/images/icon_shoucang_s.png" alt="" />
                  <span>已收藏</span>
                </div>
                <div v-show="!item.collect" @click="toCollectQue(item)" style="display: flex;align-items: center;">
                  <img src="@/assets/images/icon_shoucang_n.png" alt="" />
                  <span>收藏</span>
                </div>
              </div>
              <div class="jiucuo mr20" @click="$refs.correct.open(item.id)">
                    <img src="@/assets/images/icon_jiucuo.png" alt="" />
                    <span>纠错</span>
                  </div>
              <div class="detail" @click="handle(index)">
                <img src="@/assets/images/icon_chakan.png" alt="" />
                <span>查看详情>></span>
              </div>
              <div class="addQue">
                <img src="@/assets/images/icon_buy.png" alt="" />
                <span>加入选题</span>
              </div>
            </div>
          </div>
          <div v-show="item.updateTime" class="info" v-html="item.parse"></div>
        </div>
      </div>
    </el-card>
    <correct-question ref="correct"></correct-question>
  </div>
</template>
<script>
import {
  preview,
  queCollect,
  queCancelCollect,
  papersCancelCollect,
  papersCollect,
  isCollected,
  downloadRealPaper
} from "@/api/webApi/webQue.js";
import { mapGetters } from 'vuex'
import correctQuestion from '../../components/MxPaper/plus/correct-question-dialog.vue';
export default {
  components: { correctQuestion },
  data() {
    return {
      collectFlag: false,
      paperId: 0,
      paperName: "",
      opticList: [],
    };
  },
  computed: {
    ...mapGetters(["period"])
  },
  created() {
    this.paperId = this.$route.query.paperId;
    this.paperName = this.$route.query.paperName;
    isCollected({ paperId: this.paperId }).then((res) => {
      console.log(res);
      this.collectFlag = res.data;
    });
    this.getOptics();
  },
  methods: {
    getOptics() {
      preview({ paperId: this.paperId }).then((res) => {
        console.log(res);
        this.opticList = res.data;
        this.$nextTick(_ => this.mxGlobal.MathQueue('question_list'))
      });
    },
    handle(index) {
      if (this.opticList[index].updateTime) {
        this.opticList[index].updateTime = false;
      } else {
        this.opticList[index].updateTime = true;
      }

      console.log(this.opticList[index].updateTime);
    },
    toCollectQue(item) {
      queCollect({ questionId: item.id }).then((res) => {
        item.collect = !item.collect;
        this.msgSuccess("收藏成功");
        console.log(res);
      });
    },
    toCancelCollectQue(item) {
      queCancelCollect({ questionId: item.id }).then((res) => {
        item.collect = !item.collect;
        this.msgSuccess("取消收藏成功");
        console.log(res);
      });
    },
    cancelCollect() {
      papersCancelCollect({ paperId: this.paperId }).then((res) => {
        this.collectFlag = false;
        this.msgSuccess("取消收藏成功");
      });
    },
    Collect() {
      papersCollect({ paperId: this.paperId }).then((res) => {
        this.collectFlag = true;
        this.msgSuccess("收藏成功");
      });
    },
    paperDownLoad(paperId) {
      downloadRealPaper(paperId, this.period)
    },
  },
};
</script>
<style scoped>
.preview_container {
  padding: 20px;
}
.paper_header {
  overflow: hidden;
  margin-bottom: 33px;
}
.paper_title {
  height: 25px;
  font-size: 18px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: #292929;
  line-height: 25px;
  float: left;
}
.operation {
  float: right;
}
.shoucan {
  display: flex;
  align-items: center;
  margin-right: 53px;
  font-size: 14px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
}
.shoucan img {
  margin-right: 6px;
  cursor: pointer;
}
.shoucan .sc_text {
  color: #9f9f9f;
  line-height: 20px;
  cursor: pointer;
  margin-right: 28px;
}
.shoucan .btn {
  padding: 6px 20px;
  cursor: pointer;
  background: #47c6a2;
  color: white;
  border-radius: 4px;
}
.que_item {
  border-radius: 1px;
  border: 1px solid #dedede;
  margin-bottom: 8px;
}
.que_content {
  padding: 12px 24px 0 33px;
  font-size: 14px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: #4c4c4c;
  line-height: 27px;
  margin-bottom: 10px;
}
.options {
  padding-left: 36px;
  font-size: 14px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #4c4c4c;
  line-height: 27px;
  border-bottom: 1px solid #dedede;
}
.options .option {
  margin-bottom: 10px;
}
.que_footer {
  border-top: 1px solid #dedede;
  padding-left: 33px;
  overflow: hidden;
  padding-bottom: 23px;
  padding-top: 21px;
}
.que_footer .spans {
  float: left;
  font-size: 12px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #979797;
  line-height: 20px;
}
.que_footer .spans > span {
  margin-right: 20px;
}
.operation {
  display: flex;
  align-items: center;
  font-size: 14px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #47c6a2;
  line-height: 20px;
}
.operation > div {
  display: flex;
  align-items: center;
  cursor: pointer;
}
.operation .shoucan {
  margin-right: 46px;
}
.operation .detail span {
  border-radius: 1px;
  border-bottom: 1px solid #47c6a2;
}
.operation .detail {
  margin-right: 32px;
}
.operation > div > img {
  margin-right: 10px;
}
.operation .addQue {
  padding: 7px;
  border-radius: 4px;
  border: 1px solid #979797;
  margin-right: 24px;
}
.info {
  padding: 12px 40px;
}
.option-list {
  display: flex;
  flex-direction: column;
  margin-bottom: 40px;
  font-size: 14px;
}
.option-list span {
  padding: 5px 40px;
  clear: both;
}

.subQueBox {
  padding: 5px 40px;
}
.subQueBox .subQueItem {
  margin-bottom: 10px;
  font-size: 14px;
}
</style>
